Question

7. From the elements Na, Mg, H, K, CI, Ar, identify the
(a) elements belonging to the same period.
(b) most metallic element.
(c) element that burns with a pop sound.
(d) element which has no tendency to react.
(e) element which has a tendency to gain electrons.
() elements belonging to the same group.
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Answer 1

Answer:

(a) na ,mg,cl,ar (3 period)

(b) k

(c) na

(D) ar

(E) cl

(f) H,na,k (1 group)

hope it will be helful for u